A capacitor mismatch calibration scheme for SAR ADC based on genetic algorithm. Issue 6 (24th March 2023)
- Record Type:
- Journal Article
- Title:
- A capacitor mismatch calibration scheme for SAR ADC based on genetic algorithm. Issue 6 (24th March 2023)
- Main Title:
- A capacitor mismatch calibration scheme for SAR ADC based on genetic algorithm
- Authors:
- Huang, Yujia
Meng, Qiao
Li, Fei
Song, Xinyan
Wu, Jie - Abstract:
- Abstract: Capacitor mismatch problem due to process variation causes weight error, which deteriorates the linearity of SAR ADC. In this paper, a novel calibration scheme based on genetic algorithm(GA) combined with a radix‐less‐than‐2 SAR ADC is proposed to extract the weight error caused by capacitor mismatch. This is a foreground calibration scheme and no extra injections are added. The proposed GA‐based calibration scheme is simulated based on 40 nm CMOS technology. After calibration, ENOB increases from 10.19 bits to 11.46 bits, INL changes from +2.22/−2.12 LSB to +0.81/−0.80 LSB, and DNL changes from +1.79/−1.00 LSB to +0.99/−1.00LSB. As can be seen from the simulation results, the proposed calibration scheme can effectively improve the linearity deterioration caused by capacitor mismatch. Abstract : In this paper, a novel calibration scheme based on genetic algorithm(GA) combined with a radix‐less‐than‐2 SAR ADC is proposed to extract the weight error caused by capacitor mismatch. This is a foreground calibration scheme and no extra injections are added.
- Is Part Of:
- Electronics letters. Volume 59:Issue 6(2023)
- Journal:
- Electronics letters
- Issue:
- Volume 59:Issue 6(2023)
- Issue Display:
- Volume 59, Issue 6 (2023)
- Year:
- 2023
- Volume:
- 59
- Issue:
- 6
- Issue Sort Value:
- 2023-0059-0006-0000
- Page Start:
- n/a
- Page End:
- n/a
- Publication Date:
- 2023-03-24
- Subjects:
- analogue‐digital conversion -- calibration -- capacitors
Electronics -- Periodicals
621.381 - Journal URLs:
- http://digital-library.theiet.org/content/journals/el ↗
http://estar.bl.uk/cgi-bin/sciserv.pl?collection=journals&journal=00135194 ↗
https://ietresearch.onlinelibrary.wiley.com/loi/1350911x ↗
http://www.theiet.org/ ↗ - DOI:
- 10.1049/ell2.12762 ↗
- Languages:
- English
- ISSNs:
- 0013-5194
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 3705.060000
British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 26779.xml